Glasnot brought remarkable changes. The government allowed churches to open. It released dissidents from prison and allowed the publication of books by previously banned authors. Reporters investigated problems and criticized officials.
Okayy... Soviet leader who made changes in soviet union? I believe it was Gorbachev. Then there's a quetion that says what kind of changes glasnost bring to the Soviet Union? So I really don't know if it's accurate that Gorbachev made changes.. but it's my best answer, because that's the only leader I've read about. :) HOPEFULL this helps you if it's not too late by now!
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Mikhail Gorbachev
Glasnost .
In the Soviet Union, otherwise known as the Union of Soviet Socialist Republics (USSR).
His foreign policy helped bring about an end to the Cold War, while within the Soviet Union he introduced major reforms ( glasnost and perestoika). The downfall of the Soviet Union was a result of long periods of economic depression.
Glasnost was the new soviet union policy which allowed for more individual freedoms like free speech.
Russia/Soviet Union
Perestroika and Glasnost were attempted by Mikhail Gorbachev to change Soviet Union from Communist to Democratic rule.
Glasnost and perestroika
it contributed to instability to the soviet union making high infilation rates.
It empowered angry citizens to protest against communism and the Soviet government.